全球 IP 地址
http://coolshell.cn/?p=244
http://www.blogjava.net/darkbluefeeling/archive/2010/06/22/324143.html
http://db.myds.cn/ip_database.aspx
http://webservice.webxml.com.cn/WebServices/IpAddressSearchWebService.asmx?op=getCountryCityByIp
http://webservice.webxml.com.cn/WebServices/IpAddressSearchWebService.asmx
http://wiki.netbeans.org/HowToConfigureXDebug
http://vimcdoc.sourceforge.net/doc/usr_toc.html#usr_toc.txt
http://www.uncle.ws/2009/07/graphical-cheat-sheet/
http://www.theserverside.com/tutorial/Spring-Without-XML-The-Basics-of-Spring-Annotations-vs-Spring-XML-Files
